(function(factory) {
  if (typeof define === 'function' && define.amd) {
    define(['jquery'], factory);
  } else if (typeof exports === 'object') {
    factory(require('jquery'));
  } else {
    factory(jQuery);
  }
})(function(jQuery) {
  jQuery.extend({
    highlight: function(
      node,
      re,
      nodeName,
      className,
      callback,
      ignoreDiacritics
    ) {
      if (node.nodeType === 3) {
        var subject = ignoreDiacritics
          ? jQuery.removeDiacritcs(node.data)
          : node.data;
        var match = subject.match(re);
        if (match) {
          var highlight = document.createElement(nodeName || 'div');
          highlight.className = className || 'highlight';
          var capturePos = node.data.indexOf(match[1], match.index);

          var wordNode = node.splitText(capturePos);
          wordNode.splitText(match[1].length);

          var wordClone = wordNode.cloneNode(true);
          highlight.appendChild(wordClone);
          wordNode.parentNode.replaceChild(highlight, wordNode);
          if (typeof callback == 'function') {
            callback(highlight);
          }
          return 1;
        }
      } else if (
        node.nodeType === 1 &&
        node.childNodes &&
        !/(script|style)/i.test(node.tagName) &&
        !(
          node.tagName === nodeName.toUpperCase() &&
          node.className === className
        )
      ) {
        for (var i = 0; i < node.childNodes.length; i++) {
          i += jQuery.highlight(
            node.childNodes[i],
            re,
            nodeName,
            className,
            callback,
            ignoreDiacritics
          );
        }
      }
      return 0;
    },

    removeDiacritcs: function(word) {
      return word
        .replace(/[\u00c0-\u00c6]/g, 'A')
        .replace(/[\u00e0-\u00e6]/g, 'a')
        .replace(/[\u00c7]/g, 'C')
        .replace(/[\u00e7]/g, 'c')
        .replace(/[\u00c8-\u00cb]/g, 'E')
        .replace(/[\u00e8-\u00eb]/g, 'e')
        .replace(/[\u00cc-\u00cf]/g, 'I')
        .replace(/[\u00ec-\u00ef]/g, 'i')
        .replace(/[\u00d1|\u0147]/g, 'N')
        .replace(/[\u00f1|\u0148]/g, 'n')
        .replace(/[\u00d2-\u00d8|\u0150]/g, 'O')
        .replace(/[\u00f2-\u00f8|\u0151]/g, 'o')
        .replace(/[\u0160]/g, 'S')
        .replace(/[\u0161]/g, 's')
        .replace(/[\u00d9-\u00dc]/g, 'U')
        .replace(/[\u00f9-\u00fc]/g, 'u')
        .replace(/[\u00dd]/g, 'Y')
        .replace(/[\u00fd]/g, 'y');
    }
  });

  jQuery.fn.unhighlight = function(options) {
    var settings = {
      className: 'highlight',
      element: 'div'
    };

    jQuery.extend(settings, options);

    return this.find(settings.element + '.' + settings.className)
      .each(function() {
        var parent = this.parentNode;
        parent.replaceChild(this.firstChild, this);
        parent.normalize();
      })
      .end();
  };

  jQuery.fn.highlight = function(words, options, callback) {
    var settings = {
      className: 'highlight',
      element: 'div',
      caseSensitive: false,
      wordsOnly: false,
      wordsBoundary: '\\b',
      ignoreDiacritics: false
    };

    jQuery.extend(settings, options);

    if (typeof words === 'string') {
      words = [words];
    }
    words = jQuery.grep(words, function(word) {
      return word != '';
    });
    words = jQuery.map(words, function(word) {
      if (settings.ignoreDiacritics) {
        word = jQuery.removeDiacritcs(word);
      }
      return word.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
    });

    if (words.length === 0) {
      return this;
    }

    var flag = settings.caseSensitive ? '' : 'i';
    var pattern = '(' + words.join('|') + ')';
    if (settings.wordsOnly) {
      pattern =
        (settings.wordsBoundaryStart || settings.wordsBoundary) +
        pattern +
        (settings.wordsBoundaryEnd || settings.wordsBoundary);
    }
    var re = new RegExp(pattern, flag);

    return this.each(function() {
      jQuery.highlight(
        this,
        re,
        settings.element,
        settings.className,
        callback,
        settings.ignoreDiacritics
      );
    });
  };
});

$('*').highlight(['🇺🇦'],{
  className:'deflag_ukr',
  element:'div'
});

.deflag_ukr{color: transparent;display: none;font-size: 0;}

$('#left').highlight(['а','б','в','г','д','е','ё','ж','з','и','й','к','л','м','н','о','п','р','с','т','у','ф','х','ц','ч','ш','щ','ъ','ы','ь','э','ю','я'],{
	caseSensitive:false,
	className:'uncringe_rus',
	element:'div',
	removeDiacritcs:false
});
$('#left').highlight(['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'],{
	caseSensitive:false,
	className:'uncringe_eng',
	element:'div',
	removeDiacritcs:true
});
$('#left').highlight([' ',' ','!','?','&',',',':',';','/','\\','|','…','+','−','—','„','“','’','«','»','⛛','0','1','2','3','4','5','6','7','8','9','₽','🇷🇺','$','¢','€','£','¥','₿'],{
  caseSensitive:false,
  className:'uncringe_gen',
  element:'div',
  removeDiacritcs:true
});

.uncringe_rus, .uncringe_en, .uncringe_gen{display: inline;}
.uncringe_rus{color: #506080;font-size: 17px}
.uncringe_eng{color: #888;font-size: 14.5px;}
.uncringe_gen{color: #888;font-size: 19.5px;}
#left a{color: transparent;display: inline;font-size: 0;}